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From: Alexander Lakhin <[email protected]>
To: Iwata, Aya/岩田 彩 <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Peter Smith <[email protected]>
Cc: Kuroda, Hayato/黒田 隼人 <[email protected]>
Cc: Pavel Stehule <[email protected]>
Cc: Chao Li <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: [PROPOSAL] Termination of Background Workers for ALTER/DROP DATABASE
Date: Tue, 17 Mar 2026 08:00:00 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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Hello Michael and Iwata-san,

17.03.2026 05:57, Michael Paquier wrote:
> On Tue, Mar 17, 2026 at 01:55:05AM +0000, Kuroda, Hayato/黒田 隼人 wrote:
>> I also had a discussion with her off-list, but I could not find neither.
>> Additional idea is to increase the log level to make analysis easier, but not
>> sure what value is appropriate. Is it enough to raise to DEBUG1?
> That would be an option.  Let's do that if we see another failure
> after disabling autovacuum.  Another thing I have noticed is
> debug_parallel_query=regress for this animal, which may encourage
> parallel workers, so I have also disabled it.  Let's see first if we
> get more failures after af8837a10bc7.
> --

I've noticed another failure of the test from widowbird: [1]. But probably
it's not related to f1e251be8 directly, as widowbird failed with a similar
error before: [2]. I couldn't reproduce such failures yet, but keep
trying in the background...

[1] https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=widowbird&dt=2026-03-16%2009%3A35%3A03
[2] https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=widowbird&dt=2025-10-25%2010%3A35%3A03

Best regards,
Alexander

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